POWER LINE CONSTRUCTION & ENGINEERING

Turnkeypower line construction

We erect towers, install and string conductors, and support overhead power line construction for energy and infrastructure projects.

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Reliable
solutions
Experienced
team
Energy
for growth

Working across Kazakhstan

About us

Experience that
powers progress.

LEP Expert brings together specialists in power network design, engineering surveys and construction support. Our company was founded in 2020. Our team’s professional experience dates back to 2003.

Projects in the portfolio: 77
Maximum voltage: 500 kV
Cable lines in the projects: 36.9 km

High-voltage power lines crossing a field — Engineering precision.
At every stage.
**2003**Specialist experience
**2020**Company established

Power poles and wires against an evening sky — Engineering precision.
At every stage.
**2003**Specialist experience
**2020**Company established

PORTFOLIO

Power network projects.
From 0.4 to 500 kV.

Company projects and specialists’ experience at design and survey organisations from 2005 to 2026.

01Moyynty — Kyzylzhar railway power supply2025–2026

35 kV2025–2026
Working design
Overhead, km
331.3
110 kV2025–2026
Working design
Overhead, km
325.4

Client: АО "Национальная компания "Қазақстан темір жолы" (КТЖ)
Contractor: ТОО "Expert engineering Ltd" / ТОО "Проект ЭНС"

02Tengiz — GSU: 220 kV cable line2026

220 kV2026
Working design
Cable, km
0.9

Client: ТОО "KMG PETROCHEM"
Contractor: ЛЭП-эксперт инжиниринг /

03RDMC transmission and distribution power lines2025–2026

10 kV2025–2026
Design / Detailed design
Overhead, km
10
35 kV2025–2026
Design / Detailed design
Overhead, km
10

Client: Reko Diq Mining Coompany (RDMC)
Contractor: ТОО "Expert engineering Ltd" / ТОО "PSI group"

04Karakul — Nurabod: 500 kV line design adaptation2025

500 kV2025
Working design
Overhead, km
258

Client: JSC National Electric Grid Of Uzbekistan
Contractor: ЛЭП-эксперт инжиниринг / East West Engineering

05Ulke — Karabatan: 500 kV line2024–2025

500 kV2024–2025
Working design
Overhead, km
577

Client: АО "KEGOC"
Contractor: ТОО "НИЦ-Энергетика" / ТОО "EIS Corporation"

Full project portfolioCollapse portfolioAnother 72 projects · 2005–2026

Company design work and specialists’ professional experience at the organisations listed. Period: 2005–2026.

06Daulet substation: 110 kV line connection2026

110 kV2026
Working design
Overhead, km
13

Client: ГУ «Управление по инвестициям и развитию предпринимательства города Астаны»
Contractor: TOO "Expert engineering Ltd" / ТОО "DP Engineering Grouip" ТОО "KZ PROJECT EXPO-2017"

07L-44, L-161 and L-162 line relocation2026

110 kV2026
Working design
Overhead, km
1

Client: ТОО «Казахстанские коммунальные системы»
Contractor: TOO "Expert engineering Ltd" / ТОО "ЭнергоСервис ЭТЛ"

08L-44: 35 kV line relocation2026

35 kV2026
Working design
Overhead, km
0.6

Client: ТОО «Казахстанские коммунальные системы»
Contractor: TOO "Expert engineering Ltd" / ТОО "ЭнергоСервис ЭТЛ"

09L-2549: 220 kV line relocation2026

220 kV2026
Working design
Overhead, km
0.3

Client: ТОО «Казахстанские коммунальные системы»
Contractor: TOO "Expert engineering Ltd" / ТОО "ЭнергоСервис ЭТЛ"

10Kentau CCGT — Kentau: two overhead lines2026

220 kV2026
Working design
Overhead, km
16

Client: ТОО «Казахстанские коммунальные системы»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "ЭнергоСервис ЭТЛ"

11Kaindy wind farm: 35 kV overhead line2026

35 kV2026
Working design
Overhead, km
12

Client: ТОО "Universal Green Energy Projects"
Contractor: TOO "Expert engineering Ltd"

12Turan wind farm: 35 kV overhead line2026

35 kV2026
Working design
Overhead, km
60

Client: ТОО "Universal Green Energy Projects"
Contractor: TOO "Expert engineering Ltd"

13L-2307: 220 kV line reconstruction2025–2026

220 kV2025–2026
Working design
Overhead, km
61

Client: АО "KEGOC
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Poligram"

14L-3050: 220 kV line reconstruction2025–2026

220 kV2025–2026
Working design
Overhead, km
208

Client: АО "KEGOC"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Poligramm"

15Zhezkazgan substation: two 220 kV lines2025–2026

220 kV2025–2026
Working design
Overhead, km
23

Client: ГУ "Управление энергетики и жилищно-коммунального хозяйства области Ұлытау"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

16L-2308: 220 kV line reconstruction2025

220 kV2025
Working design
Overhead, km
69

Client: АО "KEGOC"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Poligramm"

17Line relocation for the Moyynty — Kyzylzhar railway2025

10 kV2025
Working design
Overhead, km
1
35 kV2025
Working design
Overhead, km
3
220 kV2025
Working design
Overhead, km
6
500 kV2025
Working design
Overhead, km
1

Client: АО "Национальная компания "Қазақстан темір жолы" (КТЖ)
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Проект ЭНС"

18Almaty-3 railway station2025

10 kV2025
Feasibility study
Overhead, km
3

Client: Коммунальному государственному учреждению "Управление городской мобильности города Алматы"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Научно-исследовательский институт транспорта и коммуникации"

19Western zone solar power plant, 20 MW2025

35 kV2025
Working design
Overhead, km
5

Client: ТОО "АКТЮБГЛАВПРОЕКТ"
Contractor: ЛЭП-эксперт инжиниринг

20Zhuzimdik wind farm, 150 MW2025

220 kV2025
Working design
Overhead, km
43

Client: ТОО "New clean energy"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

21Karagan-Ozernaya: 35 kV line reconstruction2025

35 kV2025
Working design
Overhead, km
1.5

Client: ТОО "Караганды Жарык"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

22L-121 and L-122 conductor replacement2025

110 kV2025
Working design
Overhead, km
16

Client: ТОО «Оңтүстік Жарық Транзит»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

23Atameken village utility networks2024–2025

35 kV2024–2025
Working design
Overhead, km
0.7
110 kV2025
Working design
Overhead, km
2

Client: ГУ «Отдел строительства архитектуры и градостроительства Панфиловского района»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Poligramm"

24Batys — Zapadnaya: 110 kV line2024

110 kV2024
Working design
Overhead, km
13

Client: ГУ «Управление энергетики и жилищно-коммунального хозяйства акимата Костанайской области»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

25Dostyk — Moyynty railway double-tracking2024

35 kV2024
Working design
Overhead, km
3.2

Client: ТОО "Транспроект-К"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энерго-РЭМ"

26Compressor station 14 — Kostanay gas pipeline2023–2024

10 kV2023–2024
Feasibility study
Overhead, km
686
35 kV2023–2024
Feasibility study
Overhead, km
26

Client: АО "Интергаз Центральная Азия"
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Научно-исследовательский институт транспорта и коммуникации"

27Turkestan region: 1,000 MW CCGT power plant2023

10 kV2023
Design
Cable, km
4.3
35 kV2023
Design
Overhead, km
4.9

Client: ТОО "ПГУ - Турекстан" (филиал АО "Самрук-Казына")
Contractor: ЛЭП-эксперт инжиниринг / ТОО «Проектный институт «Промстройпроект»

28Dostyk Novaya: 35 kV line2023

35 kV2023
Detailed design
Overhead, km
5.1

Client: ТОО "Энерго-РЭМ"
Contractor: ЛЭП-эксперт инжиниринг

29Shymkent: high-temperature composite-core conductor2023

35 kV2023
Working design
Overhead, km
10.9

Client: ТОО «Оңтүстік Жарық Транзит»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

30Shymkent: 35 kV overhead-to-cable conversion2023

35 kV2023
Working design
Overhead, km
0.2
Cable, km
0.2

Client: ТОО «Оңтүстік Жарық Транзит»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

31Water intake pumping station power supply2023

6 kV2023
Feasibility study
Overhead, km
8
Cable, km
1.5

Client: ТОО "ПГУ - Турекстан" (филиал АО "Самрук-Казына")
Contractor: ЛЭП-эксперт инжиниринг / АО "Институт" КазНИПИЭнергоПром"

32Shymkent — Turkestan CCGT line2023

220 kV2023
Feasibility study
Overhead, km
16.9
500 kV2023
Feasibility study
Overhead, km
9.6

Client: ТОО "ПГУ - Турекстан" (филиал АО "Самрук-Казына")
Contractor: ЛЭП-эксперт инжиниринг / АО "Институт" КазНИПИЭнергоПром"

33Ferroalloy plant: 500 kV overhead and cable lines2022

500 kV2022
Working design
Overhead, km
4
Cable, km
2.5

Client: ТОО «Mineral Product International»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "НИЦ-Энергетика" / АО «Казахский институт нефти и газа»

34Maksut substation and 110 kV line2022

110 kV2022
Working design
Overhead, km
88
Cable, km
0.1

Client: АО «БАСТ»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Научно-исследовательский и проектный институт транспорта и коммуникаций"

35North — South transmission: pre-feasibility study2021

220 kV2021
Pre-feasibility study
Overhead, km
1,051
500 kV2021
Pre-feasibility study
Overhead, km
7,751

Client: АО "KEGOC"
Contractor: ЛЭП-эксперт инжиниринг / АУЭС

36Almaty museum permanent power supply2021

0.4 kV2021
Working design
Cable, km
0.3

Client: КГП «Объединение музеев города Алматы Управления культуры города Алматы.
Contractor: ЛЭП-эксперт инжиниринг

37Substation 3: 6 kV overhead-to-cable conversion2021

6 kV2021
Working design
Overhead, km
0.5
Cable, km
0.8

Client: ТОО «Оңтүстік Жарық Транзит»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

38L-103 and L-104 overhead-to-cable conversion2021

110 kV2021
Working design
Overhead, km
0.3
Cable, km
0.1

Client: ТОО «Оңтүстік Жарық Транзит»
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Энергосервис ЭТЛ"

39Kokshoky facility permanent power supply2020

10 kV2020
Working design
Overhead, km
3
Cable, km
0.5

Client: ТОО "Култау и К"
Contractor: ЛЭП-эксперт инжиниринг / Алматы Строй Проект

40KEGOC: 220 kV line reconstruction2020

220 kV2020
Working design
Overhead, km
59.3

Client: АО "KEGOC" Актюбинские МЭС
Contractor: ЛЭП-эксперт инжиниринг / ТОО "Proekt StroyEnergo"

41Ybyrai wind farm, 50 MW2019

35 kV2019
Working design
Overhead, km
16.9
Cable, km
2.6
110 kV2019
Working design
Overhead, km
3.5
Cable, km
0.6

Client: ТОО «Zhel Electric»
Contractor: ЛЭП-эксперт инжиниринг / АО "Институт" КазНИПИЭнергоПром"

42Tengiz Future Growth Project2016–2018

35 kV2016–2018
Detailed design
Overhead, km
39.7
110 kV2016–2018
Detailed design
Overhead, km
34.3

Client: Tengizchevroil (TCO)
Contractor: КИНГ / KPJV

43Syrymbet mining and metallurgical plant power supply2015

110 kV2015
Design / Detailed design
Overhead, km
25.8

Client: Акимат СКО / АО «Сырымбет»
Contractor: ЭСИ / ТОО "Siemens"

44Korday residential district infrastructure2015

35 kV2015
Working design
Overhead, km
2

Contractor: ЭСИ / ТОО "ПСК Градцентр"

45Astrakhan — Mangyshlak water pipeline: km 667 pump station2012–2015

110 kV2012
Working design
Overhead, km
13.2
110 kV2015
Working design
Overhead, km
13.1

Client: АО "КазТрансОйл"
Contractor: ЭСИ

46Buryl residential district substation and line2014

110 kV2014
Working design
Overhead, km
3.1
Cable, km
4.5

Client: Акимат Джамбульской области / ЖРЭК
Contractor: ЭСИ / ТОО "ПСК Градцентр

47Baryskhan residential district power supply2014

110 kV2014
Working design
Overhead, km
0.2
Cable, km
3.9
35 kV2014
Working design
Overhead, km
0.7
Cable, km
2.2

Client: Акимат Джамбульской области / ЖРЭК
Contractor: ЭСИ / ТОО "ПСК Градцентр

48Semey — Shulbinsk HPP overhead line2014

220 kV2014
Working design
Overhead, km
79

Client: АО "KEGOC"
Contractor: ЭСИ / ТОО "ProektStroyEnergo"

49Compressor station 8 temporary power supply2014

10 kV2014
Working design
Overhead, km
36.5

Contractor: ЭСИ

50Zhezkazgan — Saksaulskaya railway power supply2013

110 kV2013
Design / Detailed design
Overhead, km
376.3

Client: ТОО "АСПМК-519" / КТЖ
Contractor: ЭСИ

51Balkhash thermal power plant off-site facilities2013

6 kV2013
Design / Detailed design
Overhead, km
0.7
10 kV2013
Design / Detailed design
Overhead, km
1.2
35 kV2013
Design / Detailed design
Overhead, km
2

Client: Siemens
Contractor: ЭСИ

52CHP-3 — Pavlodar main oil pump station2012

35 kV2012
Working design
Overhead, km
24

Contractor: ЭСИ / ТОО "Электросервис"

53Akyrtobe — Abdezim overhead line2011

110 kV2011
Feasibility study / Design / Detailed design
Overhead, km
56
35 kV2011
Feasibility study / Design / Detailed design
Overhead, km
28.4
10 kV2011
Feasibility study / Design / Detailed design
Overhead, km
30

Client: ТОО «Луговской конный завод» района им.Т.Рыскулова Жамбылской области
Contractor: ЭСИ / ТОО "Milon Company Group"

54Kara-Su tourism complex utility networks2011

110 kV2011
Working design
Overhead, km
32.5

Contractor: ТОО "ОРГТЕХЭНЕРГОСТРОЙ"

55Atasu — Alashankou pipeline, pump station 112011

110 kV2011
Design / Detailed design
Overhead, km
290

Client: ККТ
Contractor: ЭСИ / CPPE "KAZAKHSTAN" Ltd.

56North Caspian oil spill response base2011

35 kV2011
Design / Detailed design
Overhead, km
13.9

Contractor: АО НИПИ "КАСПИЙМУНАЙГАЗ" АТЫРАУ

57CPC: A-PS-3A and A-PS-4 power supply2009–2011

220 kV2009–2011
Investment justification / Design / Detailed design
Overhead, km
444.4

Client: Каспийский Трубопроводный Консорциум (КТК)
Contractor: ЭСИ / АО "КАЗАХСКИЙ ИНСТИТУТ НЕФТИ И ГАЗА" (КИНГ)

58Kazzinc: 110 kV line relocation2010

110 kV2010
Working design
Overhead, km
0.4

Client: ТОО "Казцинк"
Contractor: ЭСИ

59Dushanbe — Chanak road tunnel power supply2009

220 kV2009
Investment justification / Design / Detailed design
Overhead, km
33.6

Client: ТОО "АСПМК-519"
Contractor: Энерго-РЭМ

60Taraz wastewater treatment plant power supply2009

110 kV2009
Design
Overhead, km
48.6

Contractor: ЭСИ

61Shokterek metallurgical products plant2009

110 kV2009
Design
Overhead, km
0.4

Contractor: ЭСИ / ТОО "КурАл групп"

62Uranenergo consumer power supply2009

110 kV2009
Detailed design
Overhead, km
381.5
220 kV2009
Detailed design
Overhead, km
11.4

Client: ТОО «Уранэнерго»
Contractor: Энерго-РЭМ / ТОО "Электросервис"

63Ekibastuz metalware plant power supply2008

110 kV2008
Design / Detailed design
Overhead, km
2.5

Contractor: Энерго-РЭМ

64SKZ-U sulphuric acid plant power supply2008

35 kV2008
Design / Detailed design
Overhead, km
8.8

Client: СКЗ-U
Contractor: Энерго-РЭМ

65Kharasan-2 mine power supply2008

10 kV2008
Detailed design
Overhead, km
6.4

Client: Уранэнерго
Contractor: Энерго-РЭМ

66Shymbulak ski resort2007

10 kV2007
Working design
Overhead, km
To be confirmed
Cable, km
8.9

Client: ГК "Шымбулак"
Contractor: Энерго-РЭМ

67Shaimerden mine line and substation2007

110 kV2007
Detailed design
Overhead, km
10.9

Contractor: Энерго-РЭМ / ТОО СКРП"Тер & Recle"

68Akshabulak — Aksay — Nuraly 1 line2007

110 kV2007
Design / Detailed design
Overhead, km
93.2

Contractor: Энерго-РЭМ

69Karakuduk oilfield power supply reconstruction2007

35 kV2007
Design / Detailed design
Overhead, km
57.3
110 kV2007
Design / Detailed design
Overhead, km
1.1

Client: ТОО "Каракудукмунай"
Contractor: Энерго-РЭМ

70Medeu sports complex power supply2007

35 kV2007
Working design
Overhead, km
0.6
110 kV2007
Working design
Overhead, km
0.6

Client: Спорт комплекс «Медео»
Contractor: Энерго-РЭМ

71Budenovskoye-2 mine: 10 kV overhead line2007

10 kV2007
Detailed design
Overhead, km
49

Client: Уранэнерго
Contractor: Энерго-РЭМ

72Makat — Kandyagash railway power supply2006

220 kV2006
Detailed design
Overhead, km
1,005.2

Client: ТОО "АСПМК-519" / АО "КТЖ"
Contractor: Энерго-РЭМ

73Atyrau metal rolling plant power supply2006

110 kV2006
Working design
Overhead, km
10.1

Client: ТОО "Атырауский металлопрокатный завод"
Contractor: Энерго-РЭМ

74110 kV line relocation from a development site2006

110 kV2006
Working design
Overhead, km
0.6

Contractor: Энерго-РЭМ

75Kenkiyak — Kumkol oil pipeline2006

10 kV2006
Detailed design
Overhead, km
330
Cable, km
3

Client: ККТ
Contractor: Энерго-РЭМ / CPPE "KAZAKHSTAN" Ltd.

76Koktuma substation reconstruction2005

35 kV2005
Detailed design
Overhead, km
0.5

Client: АО "КазТрансОйл"
Contractor: Энерго-РЭМ

77Aktogay — Dostyk: 10 kV overhead line2005

10 kV2005
Detailed design
Overhead, km
305

Client: ТОО "АСПМК-519" / КТЖ
Contractor: Энерго-РЭМ

03 / SERVICES

Engineering solutions.
One connected map.

From initial surveys to construction support. Select an object to explore how we can help your project.

Illustrated power infrastructure with overhead lines, cable routes, a substation, surveyors and an engineering team

Infrastructure, in detail.

Six disciplines connected by one goal: a reliable power supply system.

Select an object on the map

Overhead line design

Design of new overhead transmission lines and upgrades to existing infrastructure.

Cable line design

Cable routing and installation methods tailored to site conditions and power supply requirements.

Substations

Integrated engineering for new electrical substations and the reconstruction of existing facilities.

Engineering surveys

Site investigations and data collection to support informed engineering decisions.

Project approvals

Support with project documentation and coordination with relevant organisations.

Design supervision

Monitoring construction compliance with design decisions during project delivery.

04 / PROJECT ESTIMATE

From specifications
to project cost.

Enter your line specifications to receive an itemized design work estimate.

What are we designing?

Choose the line type, voltage and route length.

OHLOverhead line CLCable line OHCLOverhead & cable

Voltage

Line length

Choose the voltage first

Design conditions

These parameters affect the scope and cost of design work.

Design stage

Complexity category

Which category applies?

Category I: flat terrain, ravines, swamps up to 2 m deep; undeveloped urban, industrial and settlement areas.

Category II: mountainous terrain with slopes above 0.1; swamps deeper than 2 m, loose sands; developed urban, industrial and settlement areas.

Project requirements

OPGW data transmissionRoute selected and approved by the clientComplex ground conditions or seismicityTower placement based on the route profileTransformer substation installation

Who is the estimate for?

Enter the client organisation and contact details for this project.

Your name

Client organisation

Project name optional

Your email

Phone number

An estimate copy by email

Automatic email delivery is not connected yet. You can print the completed estimate or save it as a PDF.

FROM BRIEF TO DELIVERY

How we work

Four clear steps from your first enquiry to a completed design.

Discuss the brief
We clarify the site, requirements and initial data, and identify the solutions your project needs.
Prepare a proposal
We agree on the scope, cost and schedule, and record the terms in a contract.
Develop the design
We perform the calculations and prepare design documentation to the agreed technical brief.
Deliver the result
We hand over the documentation package and answer questions about the completed design.

FROM AN ESTIMATE TO YOUR PROJECT

Request a commercial proposal

Get a detailed proposal for power line and substation design. We calculate the design fee in accordance with the regulatory and technical documentation of the Republic of Kazakhstan.

For tender preparation and participation, budget planning and assessing design costs.

working dayto prepare your proposal

WHO WE WORK WITH

Our clients

Projects for energy, industry and infrastructure.

Turnkeypower line construction

Experience thatpowers progress.

Power network projects.From 0.4 to 500 kV.

Engineering solutions.One connected map.